Introduction



¡    When one hears the word geyser,the most common thing that comes to mind is

Old Faithful
in Yellowstone National Park.A hydrothermal vent is a geyser on the

seafloor.
It continuously spurts extremely-hot,
mineral-rich water that supports a

large community of organisms. Hydrothermal vent sites
supports an array of life,

from tubeworms to crabs.





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